what is astigmatism?!


Question:

Answers:
A visual defect in which the unequal curvature of one or more refractive surfaces of the eye, usually the cornea, prevents light rays from focusing clearly at one point on the retina, resulting in blurred vision.

Other Answers:
uneven focus planes in the eye.caused by imperfection of curvature of the lens in the eye.
One of the eyes sees better than the another one.


Answers:

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